A Cyma 1930s / 40s wristwatch for repair or parts, the winder button is missing so selling as a repair or parts, have wound a little and watch started (see video).

movement is 23mm diameter approximately, and case 29.5mm, plating is worn, Case is screw back, Handley stainless steel. 

Numbers on movement Patented CS 1296    68006  and 15 jewels Swiss.  note the unusual adjustment arrangement.

Will post in double box.

Combined postage of course.

(US buyers 10% tariff pay via Paypal)